Fix WalletConnect solana_signAllTransactions support

[0xh3rman]

Fixes #1825

Update core submodule and handle new SignAllTransactions action in iOS.

[gemini-code-assist]

Summary of Changes

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This pull request addresses a reported issue with WalletConnect's solana_signAllTransactions functionality by integrating the necessary handling for multi-transaction signing within the application's WalletConnect service. It also updates a core dependency to ensure compatibility and leverage the latest features, enhancing the overall stability and capability of Solana transaction processing via WalletConnect.

Highlights

• WalletConnect Solana Multi-Transaction Signing: Added support for the solana_signAllTransactions action within the WalletConnectorService, allowing the application to handle requests to sign multiple Solana transactions simultaneously.
• Core Submodule Update: The core submodule has been updated to a newer commit (0d02ab1a24cacb67dfef05abfbf17430180ec98b), incorporating the latest changes from the dependency.

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[gemini-code-assist]

Code Review

This pull request introduces a new signAllTransactions case within the WalletConnectorService to handle the signing of multiple transactions, and updates a core subproject dependency. A review comment suggests improving the performance of the signAllTransactions method by processing transactions concurrently using TaskGroup instead of sequentially.